?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=22094815%2C+ROBERTH+EVERTHARDUS+PARIAMA&rft.aulast=22094815&rft.aufirst=ROBERTH+EVERTHARDUS+PARIAMA&rft.degree=Bachelor&rft.inst=Universitas+Kristen+Duta+Wacana&rft.tpages=59&rft.date=November+2015&rft.title=ENKRIPSI+PESAN+TERSEMBUNYI+DALAM+QR-CODE+DENGAN+METODE+LSB+DAN+AES